Results 51 to 60 of about 234,539 (335)

Isoform switch of pyruvate kinase M1 indeed occurs but not to pyruvate kinase M2 in human tumorigenesis. [PDF]

open access: yesPLoS ONE, 2015
Muscle type of pyruvate kinase (PKM) is one of the key mediators of the Warburg effect and tumor metabolism. Due to alternative splicing, there are at least 12 known isoforms of the PKM gene, of which PKM1 and PKM2 are two major isoforms with only a 23 ...
Cheng Zhan   +7 more
doaj   +1 more source

Artificial Photosynthesis Would Unify the Electricity-Carbohydrate-Hydrogen Cycle for Sustainability [PDF]

open access: yes, 2010
Sustainable development requires balanced integration of four basic human needs – air (O2/CO2), water, food, and energy. To solve key challenges, such as CO2 fixation, electricity storage, food production, transportation fuel production, water ...
Yi-Heng Percival Zhang
core   +2 more sources

Mitochondrial fatty acid oxidation is stimulated by red light irradiation

open access: yesFEBS Letters, EarlyView.
Light at different wavelengths has distinct effects on keratinocyte viability and metabolism. UVA light abrogates metabolic fluxes. Blue and green light have no effect on metabolic fluxes, while red light enhanced oxidative phosphorylation by promoting fatty acid oxidation. Keratinocytes are the primary constituents of sunlight‐exposed epidermis.
Manuel Alejandro Herrera   +4 more
wiley   +1 more source

Effect and Regulation of Pyruvate on Bacillomycin D Synthesis

open access: yesShipin gongye ke-ji, 2022
Objective: This paper mainly studied the effects and regulation of exogenous addition of pyruvate, overexpression of pyruvate kinase and acetyl-CoA synthase on the synthesis of Bacillomycin D. Methods: In this study, B. amyloliquefaciens fmbJ was used as
Wenjie MA   +8 more
doaj   +1 more source

Plant Pyruvate Kinase

open access: yesBiologia plantarum, 2002
Pyruvate kinase is an important enzyme of glycolytic pathway that also functions in providing carbon skeleton for fatty acid biosynthesis. It has been purified to near homogeneity from Ricinus communis, Selenastrum minutum, Cynodon dactylon, Brassica campestris and B. napus, and characterised.
Arvind M. Kayastha, P. K. Ambasht
openaire   +2 more sources

Integrative miRNOMe profiling reveals the miR‐195‐5p–CHEK1 axis and its impact on luminal breast cancer outcomes

open access: yesMolecular Oncology, EarlyView.
In luminal (ER+) breast carcinoma (BC), miRNA profiling identified miR‐195‐5p as a key regulator of proliferation that targets CHEK1, CDC25A, and CCNE1. High CHEK1 expression correlates with worse relapse‐free survival after chemotherapy, especially in patients with luminal A subtype.
Veronika Boušková   +14 more
wiley   +1 more source

Cysteine catabolism and the serine biosynthesis pathway support pyruvate production during pyruvate kinase knockdown in pancreatic cancer cells

open access: yesCancer & Metabolism, 2019
Background Pancreatic ductal adenocarcinoma (PDAC) is an aggressive cancer with limited treatment options. Pyruvate kinase, especially the M2 isoform (PKM2), is highly expressed in PDAC cells, but its role in pancreatic cancer remains controversial.
Lei Yu   +6 more
doaj   +1 more source

Olaparib synergy screen reveals Exemestane induces replication stress in triple‐negative breast cancer

open access: yesMolecular Oncology, EarlyView.
Screening 166 FDA‐approved anticancer drugs identifies the aromatase inhibitor Exemestane as a synergistic partner of PARP inhibitor Olaparib in BRCA‐proficient triple‐negative breast cancer. Exemestane induces ROS‐mediated replication stress, enhancing DNA damage and apoptosis alongside Olaparib.
Nur Aininie Yusoh   +5 more
wiley   +1 more source

Molecular heterogeneity of pyruvate kinase deficiency

open access: yesHaematologica, 2020
Red cell pyruvate kinase (PK) deficiency is the most common glycolytic defect associated with congenital non-spherocytic hemolytic anemia. The disease, transmitted as an autosomal recessive trait, is caused by mutations in the PKLR gene and is ...
Paola Bianchi, Elisa Fermo
doaj   +1 more source

The LytS-type histidine kinase BtsS is a 7-transmembrane receptor that binds pyruvate

open access: yesmBio, 2023
LytS/LytTR-type histidine kinase/response regulator systems regulate crucial host-specific mechanisms during infection of human or plant hosts. Escherichia coli has two of them, and the histidine kinase BtsS is a high-affinity sensor for extracellular ...
Jin Qiu   +4 more
doaj   +1 more source

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